Breathing tube



FIG. 1 is a top, front, and side perspective view of a breathing tubeembodying our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a right side view thereof.

FIG. 5 is a left side view thereof.

FIG. 6 is a top view thereof.

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an enlarged view of a portion of FIG. 4 taken at 8-8, showinga bead that is lined for the color blue with the bead being positionedbetween intervening portions of a wall of a conduit of the breathingtube.

The breathing tube assembly is shown with a symbolic break in itslength. The appearance of any portion of the article between the breaklines forms no part of the claimed design.

The drawing is lined for color. The color and shading of the bead is ablue color value in the L*a*b* color space of L =42 to 48; a =10 to 18;b =−69 to −53 according to color measurement standard ISO11664-4:2008(E)/CIE S 014-4/E:2007.

The references to “left,” “right,” “front,” “rear,” “top,” and “bottom”in the figure descriptions are not meant to require certain in-useorientation; the breathing tube according to the claim design may beused in any orientation.

The broken lines in the drawings depict portions of the breathing tubethat form no part of the claimed design.

CLAIM The ornamental design for a breathing tube, as shown anddescribed.